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Codec: avc1.4d0833

84.5% Encoder Support
53,055 of 62,784 sessions supported encoding
99.93% Decoder Support
12,017 of 12,025 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,784 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.12% 27,278 / 27,519 99.93% 4,347 / 4,350 — 97.53% 11,922 / 12,224 97.86% 1,510 / 1,543
SafariSafari
 — 1.68% 28 / 1,665 1.7% 120 / 7,056 — —
EdgeEdge
 99.8% 4,981 / 4,991 100.0% 42 / 42 — 100.0% 106 / 106 100.0% 13 / 13
FirefoxFirefox
 95.63% 2,103 / 2,199 100.0% 275 / 275 — 0.0% 0 / 12 98.99% 293 / 296

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,025 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,208 / 5,209 100.0% 681 / 681 — 100.0% 2,324 / 2,324 98.42% 373 / 379
SafariSafari
 — 100.0% 279 / 279 100.0% 1,471 / 1,471 — —
EdgeEdge
 100.0% 1,059 / 1,059 — — 100.0% 34 / 34 —
FirefoxFirefox
 100.0% 410 / 410 100.0% 48 / 48 — — 100.0% 52 / 52